Boss PSA-120S Power Adapter for BOSS pedals vs STRICH SPS-40B Pedal Power Supply with USB Port
Key Differences
Choose the BOSS PSA-120S (A) if you want a simple, widely compatible BOSS power adapter with an LED status indicator and a long cord; it also has a much larger sample of user reviews. Choose the STRICH SPS-40B (B) if you need many isolated 9V outputs, a built-in 10000mAh battery and USB port for mobile use, though it omits a USB charging adapter and per-port USB amperage specs
Boss PSA-120S Power Adapter for BOSS pedals
Power adapter with LED status indicator and extended cord for BOSS pedals. Delivers clean power and reduces hum, inspectable through a clear on/off LED
Pros
- LED indicator for status
- Long power cord (~10 ft)
- Works with most BOSS pedals
- New design minimizes outlet blockage
Cons
- Mixed opinions on value
STRICH SPS-40B Pedal Power Supply with USB Port
Pedal power supply with built-in 10,000mAh battery and 10 isolated 9V outputs plus a USB port. Provides long-lasting, quiet power for guitar/bass pedals; customers note reliable charge retention and portability
Pros
- 10 isolated 9V outputs
- built-in 10000mAh battery
- noiseless operation
- USB charging port for devices
Cons
- no adapter included for USB charging
- no explicit output amperage per port for USB
- category may imply keyboard focus rather than guitar/bass
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | BOSS |
| Durability | Tie |
| Versatility | STRICH |
| User Reviews | BOSS |